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          <!---->
          2020
        </a></span></div></div> <div data-v-3ba18f14><main class="page"><div class="page-title" style="display:none;"><h1 class="title"></h1> <div data-v-5d8dbdb4><i class="iconfont reco-account" data-v-5d8dbdb4><span data-v-5d8dbdb4>海星</span></i> <!----> <!----> <!----></div></div> <div class="theme-reco-content content__default" style="display:none;"><p>工欲善其事，必先利其器 ，当下有数不清的 Java 程序员将石器时代的 Eclipse 替换成了现代化的智能开发工具 InteliJ IDEA ，写代码的小日子过得不亦乐乎（玩笑话，两者各有千秋，看个人习惯使用）</p> <p>可每次看到别人用IDEA 的时候，都会发现，哇哦，还能这样操作，还有每次注册码失效的时候，我都为自己在用盗版软件而“悔恨为什么不多赚钱支持正版”，然后到处找注册码，所以这篇文章来啦来啦~~。。。安装和写hello world 部署到服务器这些就不记录了，</p> <p><img src="https://i03piccdn.sogoucdn.com/61d2ed1ddc107ba6" alt=""></p> <blockquote><p>点赞+收藏 就学会系列，文章收录在 GitHub <a href="https://github.com/Jstarfish/JavaEgg" target="_blank" rel="noopener noreferrer">JavaEgg<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a> ，N线互联网开发必备技能兵器谱</p></blockquote> <h2 id="intelij-idea-介绍"><a href="#intelij-idea-介绍" class="header-anchor">#</a> InteliJ IDEA 介绍</h2> <p>IDEA，全称 IntelliJ IDEA，是 Java 语言的集成开发环境，IDEA 在业界被公认为是最好的 java 开发工具之一，尤其在智能代码助手、代码自动提示、重构、J2EE 支持、Ant、JUnit、CVS 整合、代码审查、创新的 GUI 设计等方面的功能可以说是超常的。</p> <p>IDEA是 JetBrains 公司的产品，公司旗下还有其它产品，比如： WebStorm、DataGrip、GoLand...</p> <h2 id="优势"><a href="#优势" class="header-anchor">#</a> 优势</h2> <ul><li>强大的整合能力。比如：Git、Maven、Spring 等</li> <li>提示功能的快速、便捷</li> <li>提示功能的范围广</li> <li>好用的快捷键和代码模板 private static final psf</li> <li>精准搜索（ IDEA 会将您的源代码编入索引 ）</li> <li>不需要频繁的Ctrl+S（自动保存）</li> <li>自带反编译器，方便查看源码</li></ul> <p>在 Eclipse 中我们有 Workspace（工作空间）和 Project（工程）的概念，在 IDEA 中只有 Project（工程）和 Module（模块）的概念 。Eclipse 中 workspace 相当于 IDEA 中的 Project ，Eclipse 中 Project 相当于 IDEA 中的 Module</p> <p>IDEA 和 Eclipse 的术语对比</p> <table><thead><tr><th>Eclipse</th> <th>IntelliJ IDEA</th></tr></thead> <tbody><tr><td>Workspace</td> <td>Project</td></tr> <tr><td>Project</td> <td>Module</td></tr> <tr><td>Facet</td> <td>Facet</td></tr> <tr><td>Library</td> <td>Library</td></tr> <tr><td>JRE</td> <td>SDK</td></tr> <tr><td>Classpath variable</td> <td>Path variable</td></tr></tbody></table> <h2 id="模板"><a href="#模板" class="header-anchor">#</a> 模板</h2> <p>实时代码模板 (Live Templates)</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3djwtijhg30ow05u190.gif" alt="idea-live-templates"></p> <p>它的原理就是配置一些常用代码字母缩写，在输入简写时可以出现你预定义的固 定模式的代码，使得开发效率大大提高，同时也可以增加个性化。最简单的例子 就是在 Java 中输入 sout 会出现 System.out.println();</p> <p><strong>Editor – General – Postfix Completion</strong>  查看已经存在的模板（不可修改）</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dai5462j30wr0lvdi9.jpg" alt="idea-templates1"></p> <p><strong>Editor — Live Templates</strong>  查看或自定义模板（可以添加方式注释、类注释）</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dc5zx6gj30wm0lrq4n.jpg" alt="idea-templates2"></p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dcc5j5rj30wi0phdi0.jpg" alt="idea-templates4"></p> <div class="language- extra-class"><pre class="language-text"><code>*
 * @description:
 * @param $param$
 * @return $return$
 * @date $time$ $date$
 **/
</code></pre></div><p>类注释一般通过 <strong>File — Setting — Editor — Live Templates — File and Code Templates</strong> 设置</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dcijz88j30we0imq56.jpg" alt="idea-templates3"></p> <h2 id="断点调试"><a href="#断点调试" class="header-anchor">#</a> 断点调试</h2> <p>程序猿么，每天都在写bug，所以这个功能一定得用的溜</p> <p>配置通用调试属性和行为 ： <strong>Settings/Preferences | Build, Execution, Deployment | Debugger</strong></p> <h4 id="_1-断点类型"><a href="#_1-断点类型" class="header-anchor">#</a> 1. 断点类型</h4> <p>断点有四种类型：</p> <ol><li>行断点（Line Breakpoints）：最经常用的方式， 可以设置在任何可执行的代码行上</li> <li>方法断点（Method Breakpoints）： 在进入或退出指定的方法或其实现之一时挂起程序，允许您检查方法的进入/退出条件</li> <li>字段断点（Field Watchpoints）： 当指定的字段被读取或写入时，挂起程序。需要注意的是，默认只有写才会停下，想要让读取时也停下，需要右击断点，在<strong>Watch</strong>的<strong>Field access</strong>上打勾才行</li> <li>异常断点（Exception Breakpoints）： 当抛出Throwable或其子类时挂起程序 。可以在 **Run — View Breakpoints **中的 Java Exception Breakpoints 里添加异常的具体类型。这样的话，程序中一旦发生了这种异常马上就会停下来</li></ol> <h4 id="_2-设置断点"><a href="#_2-设置断点" class="header-anchor">#</a> 2. 设置断点</h4> <p>左键点击行号栏（快捷键： <code>Ctrl+F8</code> ）</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dcn5xgnj30oo0eu3z8.jpg" alt="image-20200120113747367"></p> <h5 id="设置异常断点"><a href="#设置异常断点" class="header-anchor">#</a> 设置异常断点</h5> <p>点击<strong>Debug</strong>工具窗口左侧的的 <strong>View Breakpoints</strong> <img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3e1iqmy8j300w00w0br.jpg" alt=""> 或者快捷键 <code>Ctrl+Shift+F8</code> ，可以新建异常检测，或者检测所有异常（<strong>Any Exception</strong>） 情况，这样只要程序有相应异常，就会挂起</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dcv7jh2j317e0iiq7g.jpg" alt="idea-break-exception"></p> <h5 id="条件断点"><a href="#条件断点" class="header-anchor">#</a> 条件断点</h5> <p>有时候我们在循环处理数据时候，可能只关心某个条件的数据，就可以在断点位置右键，设置<strong>断点条件</strong>，（下图，在i==6 的时候挂起程序）</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dd05wjkj30q00g8aac.jpg" alt="idea-break-cond.jpg"></p> <h5 id="多线程断点"><a href="#多线程断点" class="header-anchor">#</a> 多线程断点</h5> <p>在调试多线程代码时候，只能串行调试，因为IDEA在Debug时默认阻塞级别是ALL，会阻塞其它线程，只有在当前调试线程走完时才会走其它线程。如果像下图一样是lambda表达式的行，可以选择断点类型。</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3ddnim60j30r50cfmxt.jpg" alt="idea-break-thread1"></p> <p>可以在 View Breakpoints 里选择 Thread （右键断点），这样就可以Frames 切换线程debug了。</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3ddyql2lj30zg0l7whg.jpg" alt="idea-break-thread2"></p> <h4 id="_3-逐步执行程序"><a href="#_3-逐步执行程序" class="header-anchor">#</a> 3. 逐步执行程序</h4> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3de46cw6j30bg00xwea.jpg" alt="idea-step"></p> <ul><li><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3deexlofj300w00w098.jpg" alt="idea-step-over"> <strong>step over</strong> —— 步过，如果当前行断点是一个方法，则不进入当前方法体内</li> <li><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3deki3euj300w00w053.jpg" alt="idea-step-into"> <strong>step into</strong> —— 步入，如果当前行断点是一个方法，则进入当前方法体内，一般用于进入自定义方法内，不会进入官方类库的方法</li> <li><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3depxltpj300w00w054.jpg" alt="idea-force-step"> <strong>force step into</strong> <code>Shift+Alt+F7</code> ——  强制步入，能进入任何方法，查看底层源码的时候可以用这个进入官方类库的方法</li> <li><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dexsu5jj300w00w056.jpg" alt="idea-step-out"> <strong>step out</strong> <code>Shift+F8</code> —— 步出， 从步入的方法内退出到方法调用处</li> <li><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3df26zpvj300w00w07w.jpg" alt="idea-drop-frame"> <strong>Drop frame</strong> —— 回退到上一步</li> <li><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3df6yrw3j300w00w07t.jpg" alt="idea-run-curson"> <strong>Run to cursor</strong> <code>Alt+F9</code>  ——  运行到光标处，可以将光标定位到你需要查看的那一行，然后使用这个功能，代码会运行至光标行，而不需要打断点</li></ul> <p>断点这块有好多功能，可以分析JVM中堆对象、Java8的Stream操作，留个传送门。。。TODO</p> <p>某大佬总结的： <a href="https://www.cnblogs.com/chiangchou/p/idea-debug.html" target="_blank" rel="noopener noreferrer">在Intellij IDEA中使用Debug<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></p> <p>官方教程： https://www.jetbrains.com/help/idea/debugging-code.html</p> <h2 id="配置tomcat远程调试"><a href="#配置tomcat远程调试" class="header-anchor">#</a> 配置Tomcat远程调试</h2> <p>有时候会有一些服务器差异问题导致的问题，不好排查，这个时候就想远程调试下服务器上的代码。</p> <p>① 配置tomcat， 在tomcat/bin下的 catalina.sh 上边添加下边的一段设置</p> <p><code>-Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=9527</code></p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dfbv8c7j30v80ccgme.jpg" alt="image-20200120174529907"></p> <p>② IDEA设置</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dfgaic2j30t00iojt3.jpg" alt="idea-remote-idea"></p> <p>③ 在IDEA上启动远程 tomcat后，就能debug了</p> <p>还有一种复制Startup/Connection 中的内容到 JAVA_OPTS 中，没有尝试</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dfk23g0j30t80hejsj.jpg" alt="idea-remote-idea-debug"></p> <h2 id="书签"><a href="#书签" class="header-anchor">#</a> 书签</h2> <p>书签在翻看源码或者大佬代码的时候，可以方便记录代码的调用链路。</p> <p>书签有匿名书签（可以有无数个）和标记书签（有数字或者字母助记符的书签）两种</p> <p>操作书签：<strong>Navigate | Bookmarks</strong> 可以创建匿名书签 Toggle Bookmark。创建标技书签 Toggle Bookmark With Mnemonic，查看标签 Show Bookmarks</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dfouqc0j30w40j33z9.jpg" alt="idea-bookmark.png"></p> <h2 id="插件"><a href="#插件" class="header-anchor">#</a> 插件</h2> <ul><li><p><strong>Lombok</strong> —— 开发神器，可以简化你的实体类</p></li> <li><p><strong>Maven Helper</strong> ——  方便显示maven的依赖树，处理冲突的好帮手</p></li> <li><p>.<strong>ignore</strong> —— 忽略不需要提交的文件</p></li> <li><p><strong>FindBugs-IDEA</strong> ——  代码审查</p></li> <li><p><strong>Alibaba Java Coding Guidelines</strong> ——  阿里的开发设计规范</p></li> <li><p><strong>Alibaba Cloud Toolkit</strong> ——  帮助开发者更高效地开发、测试、诊断并部署应用。通过插件，可以将本地应用一键部署到任意服务器或云端；并且还内置了 Arthas 诊断、Dubbo工具、Terminal 终端、文件上传、函数计算和 MySQL 执行器等工具</p></li> <li><p><strong>Easy Code</strong> ——  支持自定义模板的代码生成插件</p></li> <li><p><strong>RestfulToolkit</strong> ——  RESTful 服务开发辅助工具集（安利，可以直接在右侧的RestServices查看，所有项目的restful接口，还可以通过 <code>Ctrl \</code> 全局搜索 ）</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dfv5ntbj31cu0l5k1m.jpg" alt="idea-plugin-restful"></p></li></ul> <p>IDEA 主题和插件排行榜： https://plugins.jetbrains.com/search?orderBy=downloads&amp;products=idea</p> <h2 id="激活"><a href="#激活" class="header-anchor">#</a> 激活</h2> <p>仅供个人学习使用~~</p> <ol><li><p>下载补丁文件 <strong><code>jetbrains-agent.jar</code></strong> 并将它放置到 Idea安装目录的bin目录下，https://pan.baidu.com/s/1Zy-vQGOdKoqDdB8sWIcQOg</p></li> <li><p>免费试用，进入IDEA, 点击最上面的菜单栏中的 **Help - Edit Custom VM Options **，在<code>idea.exw.vmoptionos</code>文件中加入<code>-javaagent:D:\Program Files\JetBrains\IntelliJ IDEA 2019.2.4\bin\jetbrains-agent.jar</code>(换成你的jar包目录)，重启</p> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dimgueyj30yv0lkdk8.jpg" alt="idea-acativate1"></p></li> <li><p>重启IDEA 后，打开**Help — Register **，在License Server 填上， http://jetbrains-license-server ，失败的话就输入下边的注册码</p> <p><img src="https://i.loli.net/2020/01/20/koxyXB7zPRITMCg.png" alt="idea-acativate2.png"></p></li></ol> <div class="language- extra-class"><pre class="language-text"><code>520E5894E2-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-DZ/oNHBfyho0XrrCJJvAOKg5Q1tLBgOdbCmzCKwkuM+Yryce0RoOi3OOmH6Ba/uTcCh/L37meyD0FJdJIprv59y4+n+k2kIeF/XKrKqg0dEsDUQRw0lUqqMt99ohqa+zmbJ44Yufdwwx/F1CtoRGvEQ2Mn0QjuqRoZJZ3wiT5Am22JiJW8MaNUl3wg9YPj+OPGARKKJUdUJ0NGUDQBcBAv5ds8LhbSbJSbPkbkwH/a1QMz4nEdn6lRDKI1aFIn43QhBSCFqvUq6TPJlbIJ0ZjE+PyZjHFBKCgkry0DHPXU2BbtIZPsksQnN3fx240a9K6sN7peZnLpEoMoq23FEz4g==-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
</code></pre></div><ol start="4"><li><strong>Help — About</strong>，搞定</li></ol> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1gb3dgqb6xzj30oo0gntc2.jpg" alt="idea-acativate3.png"></p> <h2 id="参考"><a href="#参考" class="header-anchor">#</a> 参考</h2> <p>IntelliJ IDEA 2019.3官方指南  https://www.jetbrains.com/help/idea/installation-guide.html</p> <p>idea2019激活  https://segmentfault.com/a/1190000021488264</p> <h2 id="干了这杯-java-你可能会提升一些功力"><a href="#干了这杯-java-你可能会提升一些功力" class="header-anchor">#</a> 干了这杯 Java 你可能会提升一些功力</h2> <p><img src="https://tva1.sinaimg.cn/large/006tNbRwly1ga44patst0j307s07s0tg.jpg" alt=""></p></div> <footer class="page-edit" style="display:none;"><!----> <!----></footer> <!----> <!----> <!----></main> <!----></div></div></div></div><div class="global-ui"><div class="back-to-ceiling" style="right:1rem;bottom:6rem;width:2.5rem;height:2.5rem;border-radius:.25rem;line-height:2.5rem;display:none;" data-v-db14854a data-v-db14854a><svg t="1574745035067" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="5404" class="icon" data-v-db14854a><path d="M526.60727968 10.90185116a27.675 27.675 0 0 0-29.21455937 0c-131.36607665 82.28402758-218.69155461 228.01873535-218.69155402 394.07834331a462.20625001 462.20625001 0 0 0 5.36959153 69.94390903c1.00431239 6.55289093-0.34802892 13.13561351-3.76865779 18.80351572-32.63518765 54.11355614-51.75690182 118.55860487-51.7569018 187.94566865a371.06718723 371.06718723 0 0 0 11.50484808 91.98906777c6.53300375 25.50556257 41.68394495 28.14064038 52.69160883 4.22606766 17.37162448-37.73630017 42.14135425-72.50938081 72.80769204-103.21549295 2.18761121 3.04276886 4.15646224 6.24463696 6.40373557 9.22774369a1871.4375 1871.4375 0 0 0 140.04691725 5.34970492 1866.36093723 1866.36093723 0 0 0 140.04691723-5.34970492c2.24727335-2.98310674 4.21612437-6.18497483 6.3937923-9.2178004 30.66633723 30.70611158 55.4360664 65.4791928 72.80769147 103.21549355 11.00766384 23.91457269 46.15860503 21.27949489 52.69160879-4.22606768a371.15156223 371.15156223 0 0 0 11.514792-91.99901164c0-69.36717486-19.13165746-133.82216804-51.75690182-187.92578088-3.42062944-5.66790279-4.76302748-12.26056868-3.76865837-18.80351632a462.20625001 462.20625001 0 0 0 5.36959269-69.943909c-0.00994388-166.08943902-87.32547796-311.81420293-218.6915546-394.09823051zM605.93803103 357.87693858a93.93749974 93.93749974 0 1 1-187.89594924 6.1e-7 93.93749974 93.93749974 0 0 1 187.89594924-6.1e-7z" p-id="5405" data-v-db14854a></path><path d="M429.50777625 765.63860547C429.50777625 803.39355007 466.44236686 1000.39046097 512.00932183 1000.39046097c45.56695499 0 82.4922232-197.00623328 82.5015456-234.7518555 0-37.75494459-36.9345906-68.35043303-82.4922232-68.34111062-45.57627738-0.00932239-82.52019037 30.59548842-82.51086798 68.34111062z" p-id="5406" data-v-db14854a></path></svg></div><!----></div></div>
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